What are the rules on alcohol consumption on the road in Australia?
Luckily the rules on alcohol limits while driving are fairly similar across all states in Australia.
Standard full licence, standard private vehicle
Drivers on standard full licences who are driving regular sized private vehicles - 0.05 BAC limit across all states.
Probationary/provisional or learner drivers
Have a 0 BAC requirement across all states. That means that while you're in the learning stage, you'll have to lay off the drinks completely.
Interlock Restricted
If you have an interlock condition on your licence, you are held to a 0 BAC limit across all states and can only drive a vehicle with an approved alcohol interlock device installed.
Special cases
If any of the following apply to you, then your alcohol limits may differ across states.
Check the following links to find out more about alcohol driving limits in your state.
NSW: https://roadsafety.transport.nsw.gov.au/stayingsafe/alcoholdrugs/drinkdriving/bac/index.html
QLD: https://www.qld.gov.au/transport/safety/road-safety/drink-driving/blood-alcohol
NT: https://nt.gov.au/driving/safety/alcohol-drugs-and-driving
WA: https://www.police.wa.gov.au/Traffic/Offences/Drink-driving
SA: https://lawhandbook.sa.gov.au/ch12s08s03s13.php
TAS: https://www.transport.tas.gov.au/__data/assets/pdf_file/0019/161704/Tasmanian_Road_Rules_2018_Final_for_web.pdf (page 72)
ACT: https://www.police.act.gov.au/road-safety/safe-driving/alcohol-and-drug-impaired-driving